RAPID (REBOL API DocuMentor) provides a way to fetch documentation from REBOL source code and publish into various output formats, like HTML, PDF, make-doc-pro, and others.
Webminutes is a set of Rebol scripts whose purpose is to fetch content from different websites and generate an HTML file, aggregating the various contents in order to "surf" offline (fetch many contents in a quick connection or print to paper)